| // Copyright (c) 2018, the gRPC project authors. Please see the AUTHORS file |
| // for details. All rights reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| /// Dart implementation of the gRPC helloworld.Greeter client. |
| import 'dart:async'; |
| |
| import 'package:grpc/grpc.dart'; |
| |
| import 'package:helloworld/src/generated/helloworld.pb.dart'; |
| import 'package:helloworld/src/generated/helloworld.pbgrpc.dart'; |
| |
| Future<void> main(List<String> args) async { |
| final channel = new ClientChannel('localhost', |
| port: 50051, |
| options: const ChannelOptions( |
| credentials: const ChannelCredentials.insecure())); |
| final stub = new GreeterClient(channel); |
| |
| final name = args.isNotEmpty ? args[0] : 'world'; |
| |
| try { |
| final response = await stub.sayHello(new HelloRequest()..name = name); |
| print('Greeter client received: ${response.message}'); |
| } catch (e) { |
| print('Caught error: $e'); |
| } |
| await channel.shutdown(); |
| } |